Finding the Fourth Proportional to 578,559.07, 864,320.11 and 374,492.68
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Solution
The fourth proportional to 578,559.07, 864,320.11 and 374,492.68 is: 559,461.55
Step by Step Solution
- Step 1: Write the proportion equation
578,559.07 : 864,320.11 = 374,492.68 : x - Step 2: Convert to fraction form
578,559.07/864,320.11 = 374,492.68/x - Step 3: Cross multiply
578,559.07x = 864,320.11 × 374,492.68 - Step 4: Simplify right side
578,559.07x = 323,681,552,499.33 - Step 5: Solve for x
x = 323,681,552,499.33/578,559.07 - Step 6: Final answer
x = 559,461.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.